import { TOKENNAME } from "../config";
// import { getUserInfo } from "../api/user.js";
const formatTime = date => {
  const year = date.getFullYear();
  const month = date.getMonth() + 1;
  const day = date.getDate();
  const hour = date.getHours();
  const minute = date.getMinutes();
  const second = date.getSeconds();
  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':');
};

const $h = {
  //除法函数，用来得到精确的除法结果
  //说明：javascript的除法结果会有误差，在两个浮点数相除的时候会比较明显。这个函数返回较为精确的除法结果。
  //调用：$h.Div(arg1,arg2)
  //返回值：arg1除以arg2的精确结果
  Div: function (arg1, arg2) {
    arg1 = parseFloat(arg1);
    arg2 = parseFloat(arg2);
    var t1 = 0,
        t2 = 0,
        r1,
        r2;

    try {
      t1 = arg1.toString().split(".")[1].length;
    } catch (e) {}

    try {
      t2 = arg2.toString().split(".")[1].length;
    } catch (e) {}

    r1 = Number(arg1.toString().replace(".", ""));
    r2 = Number(arg2.toString().replace(".", ""));
    return this.Mul(r1 / r2, Math.pow(10, t2 - t1));
  },
  //加法函数，用来得到精确的加法结果
  //说明：javascript的加法结果会有误差，在两个浮点数相加的时候会比较明显。这个函数返回较为精确的加法结果。
  //调用：$h.Add(arg1,arg2)
  //返回值：arg1加上arg2的精确结果
  Add: function (arg1, arg2) {
    arg2 = parseFloat(arg2);
    var r1, r2, m;

    try {
      r1 = arg1.toString().split(".")[1].length;
    } catch (e) {
      r1 = 0;
    }

    try {
      r2 = arg2.toString().split(".")[1].length;
    } catch (e) {
      r2 = 0;
    }

    m = Math.pow(100, Math.max(r1, r2));
    return (this.Mul(arg1, m) + this.Mul(arg2, m)) / m;
  },
  //减法函数，用来得到精确的减法结果
  //说明：javascript的加法结果会有误差，在两个浮点数相加的时候会比较明显。这个函数返回较为精确的减法结果。
  //调用：$h.Sub(arg1,arg2)
  //返回值：arg1减去arg2的精确结果
  Sub: function (arg1, arg2) {
    arg1 = parseFloat(arg1);
    arg2 = parseFloat(arg2);
    var r1, r2, m, n;

    try {
      r1 = arg1.toString().split(".")[1].length;
    } catch (e) {
      r1 = 0;
    }

    try {
      r2 = arg2.toString().split(".")[1].length;
    } catch (e) {
      r2 = 0;
    }

    m = Math.pow(10, Math.max(r1, r2)); //动态控制精度长度

    n = r1 >= r2 ? r1 : r2;
    return ((this.Mul(arg1, m) - this.Mul(arg2, m)) / m).toFixed(n);
  },
  //乘法函数，用来得到精确的乘法结果
  //说明：javascript的乘法结果会有误差，在两个浮点数相乘的时候会比较明显。这个函数返回较为精确的乘法结果。
  //调用：$h.Mul(arg1,arg2)
  //返回值：arg1乘以arg2的精确结果
  Mul: function (arg1, arg2) {
    arg1 = parseFloat(arg1);
    arg2 = parseFloat(arg2);
    var m = 0,
        s1 = arg1.toString(),
        s2 = arg2.toString();

    try {
      m += s1.split(".")[1].length;
    } catch (e) {}

    try {
      m += s2.split(".")[1].length;
    } catch (e) {}

    return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
  }
};

const formatNumber = n => {
  n = n.toString();
  return n[1] ? n : '0' + n;
};
/**
 * 处理服务器扫码带进来的参数
 * @param string param 扫码携带参数
 * @param string k 整体分割符 默认为：&
 * @param string p 单个分隔符 默认为：=
 * @return object
 * 
*/


const getUrlParams = (param, k, p) => {
  if (typeof param != 'string') return {};
  k = k ? k : '&'; //整体参数分隔符

  p = p ? p : '='; //单个参数分隔符

  var value = {};

  if (param.indexOf(k) !== -1) {
    param = param.split(k);

    for (var val in param) {
      if (param[val].indexOf(p) !== -1) {
        var item = param[val].split(p);
        value[item[0]] = item[1];
      }
    }
  } else if (param.indexOf(p) !== -1) {
    var item = param.split(p);
    value[item[0]] = item[1];
  } else {
    return param;
  }

  return value;
};

const wxgetUserInfo = function () {
  return new Promise((resolve, reject) => {
    wx.getUserInfo({
      lang: 'zh_CN',

      success(res) {
        resolve(res);
      },

      fail(res) {
        reject(res);
      }

    });
  });
};

const checkLogin = function (token, expiresTime, isLog) {
  if (getApp().globalData) {
    token =uni.getStorageSync('runxi_token');
    expiresTime = getApp().globalData.expiresTime;
    isLog = getApp().globalData.isLog;
  }
  let res = token ? true : false;
  let res1 = isLog;
  let res2 = res && res1;
  if (res2) {
    let newTime = Math.round(new Date() / 1000);
    if (expiresTime < newTime) return false;
  }

  return res2;
};

const logout = function () {
  getApp().globalData.token = '';
  uni.removeStorageSync('runxi_token')
  getApp().globalData.isLog = false;
};

const chekWxLogin = function () {
  return new Promise((resolve, reject) => {
    if (checkLogin()) return resolve({
      userinfo: getApp().globalData.userInfo,
      isLogin: true
    });
    wxgetUserInfo().then(userInfo => {
      userInfo.cache_key = res.data;
      return resolve({
        userInfo: userInfo,
        isLogin: false
      });
    }).catch(res => {
      return reject(res);
    });
  });
};
/**
 * 
 * 授权过后自动登录
*/


const autoLogin = function () {
  return new Promise((resolve, reject) => {
    wx.getStorage({
      key: 'cache_key',
      success(res) {
        getUserInfo().then(userInfo => {
			console.log(UserInfo)
          userInfo.cache_key = res.data;
          return resolve(userInfo);
        }).catch(res => {
          return reject(res);
        });
      },
      fail() {
        getUserInfo().then(userInfo => {
			userInfo.code = code;
			return resolve(userInfo);
		  }).catch(res => {
			return reject(res);
		  });
      }
    });
  });
};

const getCodeLogin = function (successFn) {
  wx.login({
    success(res) {
      successFn(res);
    }
  });
};
/*
* 合并数组
*/


const SplitArray = function (list, sp) {
  if (typeof list != 'object') return [];
  if (sp === undefined) sp = [];

  for (var i = 0; i < list.length; i++) {
    sp.push(list[i]);
  }

  return sp;
};
/**
  * opt  object | string
  * to_url object | string
  * 例:
  * this.Tips('/pages/test/test'); 跳转不提示
  * this.Tips({title:'提示'},'/pages/test/test'); 提示并跳转
  * this.Tips({title:'提示'},{tab:1,url:'/pages/index/index'}); 提示并跳转值table上
  * tab=1 一定时间后跳转至 table上
  * tab=2 一定时间后跳转至非 table上
  * tab=3 一定时间后返回上页面
  * tab=4 关闭所有页面跳转至非table上
  * tab=5 关闭当前页面跳转至table上
  */


const Tips = function (opt, to_url) {
  if (typeof opt == 'string') {
    to_url = opt;
    opt = {};
  }

  var title = opt.title || '',
      icon = opt.icon || 'none',
      endtime = opt.endtime || 2000;
  if (title) wx.showToast({
    title: title,
    icon: icon,
    duration: endtime
  });

  if (to_url != undefined) {
    if (typeof to_url == 'object') {
      var tab = to_url.tab || 1,
          url = to_url.url || '';

      switch (tab) {
        case 1:
          //一定时间后跳转至 table
          setTimeout(function () {
            wx.switchTab({
              url: url
            });
          }, endtime);
          break;

        case 2:
          //跳转至非table页面
          setTimeout(function () {
            wx.navigateTo({
              url: url
            });
          }, endtime);
          break;

        case 3:
          //返回上页面
          setTimeout(function () {
            wx.navigateBack({
              delta: parseInt(url)
            });
          }, endtime);
          break;

        case 4:
          //关闭当前所有页面跳转至非table页面
          setTimeout(function () {
            wx.reLaunch({
              url: url
            });
          }, endtime);
          break;

        case 5:
          //关闭当前页面跳转至非table页面
          setTimeout(function () {
            wx.redirectTo({
              url: url
            });
          }, endtime);
          break;
      }
    } else if (typeof to_url == 'function') {
      setTimeout(function () {
        to_url && to_url();
      }, endtime);
    } else {
      //没有提示时跳转不延迟
      setTimeout(function () {
        wx.navigateTo({
          url: to_url
        });
      }, title ? endtime : 0);
    }
  }
};
/*
* 单图上传
* @param object opt
* @param callable successCallback 成功执行方法 data 
* @param callable errorCallback 失败执行方法 
*/


const uploadImageOne = function (opt, successCallback, errorCallback) {
  if (typeof opt === 'string') {
    var url = opt;
    opt = {};
    opt.url = url;
  }

  var count = opt.count || 1,
      sizeType = opt.sizeType || ['compressed'],
      sourceType = opt.sourceType || ['album', 'camera'],
      is_load = opt.is_load || true,
      uploadUrl = opt.url || '',
      inputName = opt.name || 'pics';
  wx.chooseImage({
    count: count,
    //最多可以选择的图片总数  
    sizeType: sizeType,
    // 可以指定是原图还是压缩图，默认二者都有  
    sourceType: sourceType,
    // 可以指定来源是相册还是相机，默认二者都有  
    success: function (res) {
      //启动上传等待中...  
      wx.showLoading({
        title: '图片上传中'
      });
	  console.log(getApp().globalData.url  + uploadUrl)
	  let runxi_token=uni.getStorageSync('runxi_token')
      wx.uploadFile({
        url: getApp().globalData.url + uploadUrl,
        filePath: res.tempFilePaths[0],
        name: inputName,
        header: {
          "Content-Type": "multipart/form-data",
          [TOKENNAME]: 'Bearer ' +runxi_token
        },
        success: function (res) {
			console.log(res)
          wx.hideLoading();
          if (res.statusCode == 403) {
            Tips({
              title: res.data
            });
          } else {
            var data = res.data ? JSON.parse(res.data) : {};

            if (data.status == 200) {
              successCallback && successCallback(data);
            } else {
              errorCallback && errorCallback(data);
              Tips({
                title: data.msg
              });
            }
          }
        },
        fail: function (res) {
          wx.hideLoading();
          Tips({
            title: '上传图片失败'
          });
        }
      });
    }
  });
};
/**
 * 移除数组中的某个数组并组成新的数组返回
 * @param array array 需要移除的数组
 * @param int index 需要移除的数组的键值
 * @param string | int 值
 * @return array
 * 
*/


const ArrayRemove = (array, index, value) => {
  const valueArray = [];

  if (array instanceof Array) {
    for (let i = 0; i < array.length; i++) {
      if (typeof index == 'number' && array[index] != i) {
        valueArray.push(array[i]);
      } else if (typeof index == 'string' && array[i][index] != value) {
        valueArray.push(array[i]);
      }
    }
  }

  return valueArray;
};
/**
 * 生成海报获取文字
 * @param string text 为传入的文本
 * @param int num 为单行显示的字节长度
 * @return array 
*/


const textByteLength = (text, num) => {
  let strLength = 0;
  let rows = 1;
  let str = 0;
  let arr = [];

  for (let j = 0; j < text.length; j++) {
    if (text.charCodeAt(j) > 255) {
      strLength += 2;

      if (strLength > rows * num) {
        strLength++;
        arr.push(text.slice(str, j));
        str = j;
        rows++;
      }
    } else {
      strLength++;

      if (strLength > rows * num) {
        arr.push(text.slice(str, j));
        str = j;
        rows++;
      }
    }
  }

  arr.push(text.slice(str, text.length));
  return [strLength, arr, rows]; //  [处理文字的总字节长度，每行显示内容的数组，行数]
};
/**
 * 获取分享海报
 * @param array arr2 海报素材
 * @param string store_name 素材文字
 * @param string price 价格
 * @param function successFn 回调函数
 * 
 * 
*/


const PosterCanvas = (arr2, store_name, price, successFn) => {
  wx.showLoading({
    title: '海报生成中',
    mask: true
  });
  const ctx = wx.createCanvasContext('myCanvas');
  ctx.clearRect(0, 0, 0, 0);
  /**
   * 只能获取合法域名下的图片信息,本地调试无法获取
   * 
  */

  wx.getImageInfo({
    src: arr2[0],
    success: function (res) {
      const WIDTH = res.width;
      const HEIGHT = res.height;
      ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
      ctx.drawImage(arr2[1], 0, 0, WIDTH, WIDTH);
      ctx.save();
      let r = 90;
      let d = r * 2;
      let cx = 40;
      let cy = 990;
      ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
      ctx.clip();
      ctx.drawImage(arr2[2], cx, cy, d, d);
      ctx.restore();
      const CONTENT_ROW_LENGTH = 40;
      let [contentLeng, contentArray, contentRows] = textByteLength(store_name, CONTENT_ROW_LENGTH);

      if (contentRows > 2) {
        contentRows = 2;
        let textArray = contentArray.slice(0, 2);
        textArray[textArray.length - 1] += '……';
        contentArray = textArray;
      }

      ctx.setTextAlign('center');
      ctx.setFontSize(32);
      let contentHh = 32 * 1.3;

      for (let m = 0; m < contentArray.length; m++) {
        ctx.fillText(contentArray[m], WIDTH / 2, 820 + contentHh * m);
      }

      ctx.setTextAlign('center');
      ctx.setFontSize(48);
      ctx.setFillStyle('red');
      ctx.fillText('￥' + price, WIDTH / 2, 860 + contentHh);
      ctx.draw(true, function () {
        wx.canvasToTempFilePath({
          canvasId: 'myCanvas',
          fileType: 'png',
          destWidth: WIDTH,
          destHeight: HEIGHT,
          success: function (res) {
            wx.hideLoading();
            successFn && successFn(res.tempFilePath);
          }
        });
      });
    },
    fail: function () {
      wx.hideLoading();
      Tips({
        title: '无法获取图片信息'
      });
    }
  });
};
/**
 * 数字变动动画效果
 * @param float BaseNumber 原数字
 * @param float ChangeNumber 变动后的数字
 * @param object that 当前this
 * @param string name 变动字段名称
 * */


const AnimationNumber = (BaseNumber, ChangeNumber, that, name) => {
  var difference = $h.Sub(ChangeNumber, BaseNumber); //与原数字的差

  var absDifferent = Math.abs(difference); //差取绝对值

  var changeTimes = absDifferent < 6 ? absDifferent : 6; //最多变化6次

  var changeUnit = absDifferent < 6 ? 1 : Math.floor(difference / 6); // 依次变化

  for (var i = 0; i < changeTimes; i += 1) {
    // 使用闭包传入i值，用来判断是不是最后一次变化
    (function (i) {
      setTimeout(() => {
          that.name= $h.Add(BaseNumber, changeUnit) // 差值除以变化次数时，并不都是整除的，所以最后一步要精确设置新数字

        if (i == changeTimes - 1) {
            that.name=$h.Add(BaseNumber, difference)
        }
      }, 100 * (i + 1));
    })(i);
  }
};

export default{
  formatTime: formatTime,
  $h: $h,
  Tips: Tips,
  uploadImageOne: uploadImageOne,
  SplitArray: SplitArray,
  ArrayRemove: ArrayRemove,
  PosterCanvas: PosterCanvas,
  AnimationNumber: AnimationNumber,
  getUrlParams: getUrlParams,
  chekWxLogin: chekWxLogin,
  checkLogin: checkLogin,
  getCodeLogin: getCodeLogin,
  wxgetUserInfo: wxgetUserInfo,
  autoLogin: autoLogin,
  logout: logout
};